EP 2059651 A1 20090520 - POLYELECTROLYTE COMPLEXES FOR OIL AND GAS APPLICATIONS
Title (en)
POLYELECTROLYTE COMPLEXES FOR OIL AND GAS APPLICATIONS
Title (de)
POLYELEKTROLYT-KOMPLEXE FÜR ÖL- UND GASANWENDUNGEN
Title (fr)
COMPLEXES POLYÉLECTROLYTE POUR APPLICATIONS DE PÉTROLE ET DE GAZ
Publication
Application
Priority
- US 2007077254 W 20070830
- US 51558006 A 20060905
Abstract (en)
[origin: US2008058229A1] A polyelectrolyte complex for the controlled release of an oil and gas field chemical selected from the group consisting of (a) a gel-forming or cross-linking agent, (b) a scale inhibitor, (c) a corrosion inhibitor, (d) an inhibitor of asphaltene or wax deposition, (e) a hydrogen sulfide scavenger, (f) a hydrate inhibitor, (g) a breaking agent, and a surfactant.
IPC 8 full level
C09K 8/60 (2006.01); E21B 43/00 (2006.01)
CPC (source: EP US)
C09K 8/516 (2013.01 - EP US); C09K 8/536 (2013.01 - EP US); C09K 8/54 (2013.01 - EP US); C09K 8/584 (2013.01 - EP US); C09K 8/60 (2013.01 - US); C09K 8/706 (2013.01 - EP US); C09K 8/92 (2013.01 - EP US); C09K 2208/10 (2013.01 - EP US); C09K 2208/20 (2013.01 - EP US); C09K 2208/22 (2013.01 - EP US); C09K 2208/24 (2013.01 - EP US); C09K 2208/26 (2013.01 - EP US); Y10S 507/902 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
US 2008058229 A1 20080306; US 8183184 B2 20120522; AU 2007292452 A1 20080313; AU 2007292452 B2 20130620; BR PI0716372 A2 20131015; CA 2662493 A1 20080313; CA 2662493 C 20160112; CN 101535594 A 20090916; CN 101535594 B 20130918; EA 017072 B1 20120928; EA 200900329 A1 20090828; EP 2059651 A1 20090520; EP 2059651 A4 20100818; EP 2628894 A1 20130821; MX 2009002530 A 20090522; NO 20091347 L 20090520; US 2010056399 A1 20100304; US 2013123149 A1 20130516; US 8372786 B2 20130212; WO 2008030758 A1 20080313
DOCDB simple family (application)
US 51558006 A 20060905; AU 2007292452 A 20070830; BR PI0716372 A 20070830; CA 2662493 A 20070830; CN 200780040827 A 20070830; EA 200900329 A 20070830; EP 07841629 A 20070830; EP 13167721 A 20070830; MX 2009002530 A 20070830; NO 20091347 A 20090401; US 2007077254 W 20070830; US 201313734000 A 20130104; US 56451009 A 20090922